diff options
| author | Sascha Hauer <s.hauer@pengutronix.de> | 2009-03-18 11:29:31 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2009-08-07 12:10:56 +0200 |
| commit | f497d0153a6b53b4cfd004de5f10b14bf630d852 (patch) | |
| tree | c541967f2612fb28402a4bab3609462856da3ac5 | |
| parent | 9b0e6db0da1ea433f38b8d952108746f3fc67304 (diff) | |
imxfb: calculate bpix value from bits_per_pixel
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| -rw-r--r-- | arch/arm/plat-mxc/include/mach/imxfb.h | 3 | ||||
| -rw-r--r-- | drivers/video/imxfb.c | 19 |
2 files changed, 20 insertions, 2 deletions
diff --git a/arch/arm/plat-mxc/include/mach/imxfb.h b/arch/arm/plat-mxc/include/mach/imxfb.h index 9f0101157ec..66259f6158e 100644 --- a/arch/arm/plat-mxc/include/mach/imxfb.h +++ b/arch/arm/plat-mxc/include/mach/imxfb.h @@ -13,7 +13,8 @@ #define PCR_BPIX_4 (2 << 25) #define PCR_BPIX_8 (3 << 25) #define PCR_BPIX_12 (4 << 25) -#define PCR_BPIX_16 (4 << 25) +#define PCR_BPIX_16 (5 << 25) +#define PCR_BPIX_18 (6 << 25) #define PCR_PIXPOL (1 << 24) #define PCR_FLMPOL (1 << 23) #define PCR_LPPOL (1 << 22) diff --git a/drivers/video/imxfb.c b/drivers/video/imxfb.c index 15a0ee6d8e2..a8c41cb60ff 100644 --- a/drivers/video/imxfb.c +++ b/drivers/video/imxfb.c @@ -33,6 +33,7 @@ #include <linux/math64.h> #include <mach/imxfb.h> +#include <mach/hardware.h> /* * Complain if VAR is out of range. @@ -530,8 +531,24 @@ static int imxfb_activate_var(struct fb_var_screeninfo *var, struct fb_info *inf lcd_clk / pcr); } + switch (var->bits_per_pixel) { + case 32: + pcr |= PCR_BPIX_18; + break; + case 16: + default: + if (cpu_is_mx1()) + pcr |= PCR_BPIX_12; + else + pcr |= PCR_BPIX_16; + break; + case 8: + pcr |= PCR_BPIX_8; + break; + } + /* add sync polarities */ - pcr |= fbi->pcr & ~0x3F; + pcr |= fbi->pcr & ~(0x3f | (7 << 25)); writel(pcr, fbi->regs + LCDC_PCR); writel(fbi->pwmr, fbi->regs + LCDC_PWMR); |